Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Craniata auct.
                                             Infraphylum Vertebrata Lamarck, 1801 - vertebrates
                                               Clade Pan-Gnathostomata Downs 2020
                                                 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
                                                   [crown] Clade Eugnathostomata
                                                     Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                                                       Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                                                         Clade Pan-Actinopterygii Rowe 2004 [Moore & Near 2020]
                                                           Clade Actinopterygiiᵀ Woodward 1891 [Moore & Near 2020]
                                                             Clade Pan-Actinopteri Moore & Near 2020
                                                               Class Actinopteri Cope, 1871
                                                                 Subclass Neopterygii Regan, 1923
                                                                   Infraclass Teleosteomorpha Arratia, 2001
                                                                     Division Teleostei Müller, 1845
                                                                       Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
                                                                         Cohort Elopomorpha Greenwood et al., 1966
                                                                           Order Anguilliformes Berg, 1943 - eels
                                                                             1 Family †Derrhiidae Jordan, 1925, incertae sedis
                                                                             2 [plesion] Genus †Enchelurus Marck, 1863
                                                                             3.1 [plesion] Genus †Abisaadia Belouze, Gayet & Atallah, 2003
                                                                             3.2.1 [plesion] Genus †Luenchelys Belouze, Gayet & Atallah, 2003
                                                                             3.2.2.1 Family †Anguillavidae Hay, 1903 [coordinate rank]
                                                                             3.2.2.2? Family †Georgidentidae Sytchevskaya & Prokofiev, 2004
                                                                             3.2.2.3? Family †Libanechelyidae Taverne, 2004
                                                                             3.2.2.4? Family †Milananguillidae Blot, 1978 [monotypic]
                                                                             3.2.2.5.1 [plesion] Genus †Hayenchelys Belouze, Gayet & Atallah, 2003
                                                                             3.2.2.5.2.1 Family †Urenchelyidae Jordan, 1905 [coordinate rank]
                                                                             3.2.2.5.2.2 Suborder Chlopsoidei [monotypic]
                                                                             3.2.2.5.2.3 Suborder Synaphobranchoidei
                                                                             3.2.2.5.2.3.1.0 [Suborder Protanguilloidei [monotypic]] see Suborder Synaphobranchoidei
                                                                             3.2.2.5.2.3.2.0 [Family Dysommidae Gill, 1893] see Family Synaphobranchidae Johnson, 1862
                                                                             3.2.2.5.2.3.2.0 [Family "Dyssomminidae" Böhlke & Hubbs, 1951]
                                                                             3.2.2.5.2.4 Suborder Anguilloideiᵀ
                                                                             3.2.2.5.2.4.02.0 [Family †"Patavichthidae"] see Family Patavichthyidae Blot, 1981
                                                                             3.2.2.5.2.4.02.0 [Family †"Patavichtidae" Carroll, 1988, nom. null.] see Family Patavichthyidae Blot, 1981
                                                                             3.2.2.5.2.4.04.0 [Suborder Moringuoidei [monotypic]] see Suborder Anguilloidei
                                                                             3.2.2.5.2.4.10.0 [Suborder "Saccopharyngidae" Carroll, 1988, nom. null.] see Suborder Saccopharyngoidei
                                                                             3.2.2.5.2.4.10.0 [Suborder Saccopharyngoidei] see Suborder Anguilloidei
                                                                             3.2.2.5.2.5 Suborder Muraenoidei
                                                                             3.2.2.5.2.6 Suborder Congroidei Regan, 1909
                                                                             3.2.2.5.2.6.1.0 [Family Todaridae Greenwood, Rosen, Weitzman & Myers, 1966]
                                                                             3.2.2.5.2.6.2.0 [Family Aoteidae Phillipps, 1926] see Family Ophichthidae Günther, 1870
                                                                             3.2.2.5.2.6.2.0 [Family Neenchelyidae Bamber, 1915] see Family Ophichthidae Günther, 1870
                                                                             3.2.2.5.2.6.4.2 [Family Nessorhamphidae] see Family Derichthyidae Gill, 1884